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50694400 = 2852892
BaseRepresentation
bin1100000101100…
…0100100000000
310112101112122101
43001120210000
5100434210100
65010320144
71153616041
oct301304400
9115345571
1050694400
11266854a9
1214b89054
13a66c4b3
146a388c8
1546b586a
hex3058900

50694400 has 81 divisors (see below), whose sum is σ = 126902251. Its totient is φ = 20049920.

The previous prime is 50694389. The next prime is 50694421. The reversal of 50694400 is 449605.

The square root of 50694400 is 7120.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10549504 + 40144896 = 3248^2 + 6336^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 569556 + ... + 569644.

Almost surely, 250694400 is an apocalyptic number.

50694400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50694400 is the 7120-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50694400

50694400 is an abundant number, since it is smaller than the sum of its proper divisors (76207851).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50694400 is an frugal number, since it uses more digits than its factorization.

50694400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 50694400 is about 370.1007760556.

The spelling of 50694400 in words is "fifty million, six hundred ninety-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 89 100 128 160 178 200 256 320 356 400 445 640 712 800 890 1280 1424 1600 1780 2225 2848 3200 3560 4450 5696 6400 7120 7921 8900 11392 14240 15842 17800 22784 28480 31684 35600 39605 56960 63368 71200 79210 113920 126736 142400 158420 198025 253472 284800 316840 396050 506944 569600 633680 792100 1013888 1267360 1584200 2027776 2534720 3168400 5069440 6336800 10138880 12673600 25347200 50694400